10394 | 1925 Registered envelope from Urga Mongolia to Kalgan （5.1.1926） via Ulan Bator （7.12）， beraing 2 Mongolian stamps， added ROC 1c， 2c， 10c blue due stamps Mongolian frankings not acknowledged by the Chinese Post， rare
Author: --
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Signed and dated: --
Estimate:
Final Price: RMB 6,000
